Keeling, B. L., Burnham, K., Kallaus, N. F., & Ruprecht, M. M. (1996). Administrative office management (11th ed.). South-Western Educational Pub..
Citazione stile Chigago Style (17a edizione)Keeling, B. Lewis, Kent Burnham, Norman Francis Kallaus, e Mary M. Ruprecht. Administrative Office Management. 11th ed. [Cincinnati, Ohio]: South-Western Educational Pub., 1996.
Citatione MLA (9a ed.)Keeling, B. Lewis, et al. Administrative Office Management. 11th ed. South-Western Educational Pub., 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.